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26-02-2018, 14:09
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#1
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Registered User
Join Date: Jan 2017
Location: Irish Sea
Posts: 1,321
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Good, high efficiency 100W rigid solar panels?
I see mostly large 200Wp+ panels in the solar shops, are there any good small panels that could be a better fit to a boat? Other than ebay I have difficulties finding ~100Wp panels.
A large 300Wp panel could be quite a challenge to install...
(I am in Europe if that matters)
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Useful as a fireproof bottom paint...
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26-02-2018, 14:14
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#2
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Registered User
Join Date: Apr 2016
Location: Back on dirt in Florida
Boat: Currently in between
Posts: 1,338
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Re: Good, high efficiency 100W rigid solar panels?
I have older 105W panels that I am removing soon, they work perfectly but I am going for more watts and don't have the real estate to double up (them plus the new panels).
I only say all that to plant the seed to look for good used panels. The downside is I don't know that mine are that much smaller than the new, higher watt panels.
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SV Bacchus - Living the good life!
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26-02-2018, 14:32
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#4
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Registered User
Join Date: Aug 2009
Location: oriental
Boat: crowther trimaran 33
Posts: 4,414
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Re: Good, high efficiency 100W rigid solar panels?
Smaller panels are better on a boat because of partial shade. All my panels are 50 watt, and they are special panels because they have two independent parallel circuits inside, and function as 25 watt panels side by side.
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26-02-2018, 14:36
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#5
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Registered User
Join Date: Nov 2015
Location: Fl
Boat: Wauquiez Hood 38
Posts: 1,187
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Re: Good, high efficiency 100W rigid solar panels?
Kyocera makes some nice high quality 140w panels. I have 4 of them and very pleased. I believe they are still distributed in Euro zone. They pulled out of the States when the new solar tariffs were announced.
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Keth
Boat Vinyl Lettering and Graphics
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26-02-2018, 14:36
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#6
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Registered User
Join Date: Jan 2017
Location: Irish Sea
Posts: 1,321
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Re: Good, high efficiency 100W rigid solar panels?
Quote:
Originally Posted by boat_alexandra
Smaller panels are better on a boat because of partial shade. All my panels are 50 watt, and they are special panels because they have two independent parallel circuits inside, and function as 25 watt panels side by side.
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100W was already along the "small" idea, but might look further Indeed, managing real estate is a pain, especially on a 32'er.
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Useful as a fireproof bottom paint...
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26-02-2018, 16:06
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#7
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Registered User
Join Date: Jan 2017
Location: Irish Sea
Posts: 1,321
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Re: Good, high efficiency 100W rigid solar panels?
Quote:
Originally Posted by Bleemus
Kyocera makes some nice high quality 140w panels. I have 4 of them and very pleased. I believe they are still distributed in Euro zone. They pulled out of the States when the new solar tariffs were announced.
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Quote:
Originally Posted by BjarneK
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Thanks I'll take a look!
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Useful as a fireproof bottom paint...
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27-02-2018, 12:47
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#8
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Registered User
Join Date: Sep 2013
Location: Montreal
Boat: Dufour 39 Frers
Posts: 402
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Re: Good, high efficiency 100W rigid solar panels?
100W solar is getting hard to get.
The solar market is mostly driven by the home market.
Usually, large panel for installing on home roof is not an issue, while on boats, unless you have a cat, this can hard to install properly. Unless you add an ugly arch.
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27-02-2018, 12:54
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#9
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Registered User
Join Date: Apr 2013
Location: Everywhere (Sea of Cortez right now)
Boat: PSC Orion 27
Posts: 1,377
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Re: Good, high efficiency 100W rigid solar panels?
Here're a few. I used two of the eclipse ones because they fit my bikini frame.
https://www.renogy.com/products/comp...alline-panels/
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27-02-2018, 13:10
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#10
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Registered User
Join Date: May 2013
Location: Tilloo Cay, Abaco, Bahamas
Boat: Catalina 42
Posts: 186
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Re: Good, high efficiency 100W rigid solar panels?
Another vote for Renogy
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27-02-2018, 13:13
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#11
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Registered User
Join Date: Jan 2017
Location: Irish Sea
Posts: 1,321
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Re: Good, high efficiency 100W rigid solar panels?
Quote:
Originally Posted by Emouchet
100W solar is getting hard to get.
The solar market is mostly driven by the home market.
Usually, large panel for installing on home roof is not an issue, while on boats, unless you have a cat, this can hard to install properly. Unless you add an ugly arch.
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I would cut one in half, but afraid that wouldn't help the efficiency much
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